Home / 4,899.72-6,761.55-2,661.57

Finding the Fourth Proportional to 4,899.72, 6,761.55 and 2,661.57

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Solution

The fourth proportional to 4,899.72, 6,761.55 and 2,661.57 is: 3,672.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.72 : 6,761.55 = 2,661.57 : x
  2. Step 2: Convert to fraction form
    4,899.72/6,761.55 = 2,661.57/x
  3. Step 3: Cross multiply
    4,899.72x = 6,761.55 × 2,661.57
  4. Step 4: Simplify right side
    4,899.72x = 17,996,338.63
  5. Step 5: Solve for x
    x = 17,996,338.63/4,899.72
  6. Step 6: Final answer
    x = 3,672.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.